Through-passage roofing tile

ABSTRACT

The invention relates to a through-passage roofing tile comprising at least one part that has an inlet opening and a sealing surface. A connecting part is arranged below the lower part, said connecting part likewise having a sealing surface which lies below the sealing surface of the lower part. Both sealing surfaces face each other. The lower part and the connecting part are interconnected by fixing means. A sarking membrane lies at least partly between both sealing surfaces.

The invention relates to a through-passage roofing tile according to the features of patent claim 1.

Through-passage roofing tiles can be laid like conventional roofing tiles, however, they are utilized to guide, for example, flue gas conduits, exhaust air ducts or solar lines out of the interior of the roof and through the roof to the outside. To lead the line through, a breakthrough for the line must be created in the thermal insulation layer and the sarking or underlay membrane. To avoid moisture damage and thermal loss, the breakthrough must subsequently be sealed water- and draft-tight. This is conventionally carried out by adhering the underlay membrane with the aid of adhesive tapes or adhesive collars to the line carried through the breakthrough. However, establishing the adhesive bond is technically rather complex and the connection of the underlay membrane frequently becomes leaky since the adhesive strength of the adhesive tapes or adhesive collars is degraded over time.

Known is a ventilated roof tile for a roof that includes several ventilation channels formed by parallel walls (GB 2 344 836 A). On these ventilation channels further roof tiles can be disposed.

Further known is a ridge roof tile on which a ventilation assembly is disposed (U.S. Pat. No. 4,782,743). This ventilation assembly comprises a pipe leading through an aperture of the ridge roof tile. On the roof tile is disposed a cap which prevents rain water from entering the interior of the roof.

There is furthermore a venting tile for roof coverings with a center bead tile described, which has a central through-passage opening covered by a roof dormer with semicircular profile (DE 37 22 825 A1). This dormer has an opening into which a synthetic part is set which, in extension of the boundary surface of the dormer, includes a ventilation grating with vertical webs.

A ventilation tile is also known for a sanitary or a fume extraction line of a building, in which are provided a roofing tile with a breakthrough, a venting port penetrating the breakthrough as well as a hood connected at least indirectly with the venting port and covering it at the top, into which a removable cover is set (DE 203 05 043 U1).

Further known (EP 0 663 487 A1) is a roofing tile with a cover plate and a bottom plate spaced apart from one another to define therebetween a hollow volume closed off in the lateral directions. The roofing tile includes a lower opening disposed in the lower head margin of the roofing tile, as well as an upper opening which is at least partially disposed in the bottom plate. The bottom plate is shaped such that it forms an expansion chamber for the air entering via the lower opening into the hollow volume.

There is furthermore disclosed (EP 1 122 375 B1) a ventilation inlet for fitting into a membrane, preferably a subroof, in which the inlet includes a central through-passage hole which is formed by a first annular connection wall between an upper and a lower annular flange. The inlet is herein implemented such that it is flexible. Before they are fitted in, the upper and lower annular flanges in a first stable state extend each in the form of a truncated cone in a direction away from the central annular connection wall. After they have been fitted in, the lower annular flanges in a second stable state extend in the form of truncated cones in the same direction while the membrane is thereby cleaved such that it is pressed between the two flanges.

DE 297 21 602 U1 discloses a roof through-guide for a pipe line, in particular a ventilation pipe line, comprising a securement means for fixing the pipe line in a substantially vertical position, a sealing means for the watertight sealing of the roof through-guide as well as connection elements for the connection to the surrounding roofing tiles.

A roof cover plate with a breakthrough opening which is delimited at the top side of the roof by a projection, and with an adapter comprising a coupling connection for a ventilation pipe, which adapter can be attached to the roof covering plate, is disclosed in DE 295 16 567 U1.

Further is disclosed (DE 200 17 106 U1) a roof vent for carrying a ventilation line through a roof, comprising a roof cover element with a through-passage opening into which a through-passage connecting piece can be set that can be connected to the ventilation line.

DE 101 52 058 C2 discloses a roof through-guide through a roof membrane, in particular for carrying through cables and/or pipes. The roof through-guide comprises a coverage element placed about the through-guide region, which element includes, at the outlet side, openings for the through-guidance of cables and/or pipes, wherein the coverage element includes a covering hood covering the through-guide region and wherein the through-guide region includes at least a window-like reception into which a number of holding elements can be set for harnessing the cables and/or pipes and in which the holding elements, the cables and/or pipes can be secured in position.

DE 200 21 051 U1 furthermore discloses a ventilation pipe with a pipe segment extending through a roof coverage plate, on which segment a cap is seated overlapping a truncated cone-shaped annular section of an apron, which cap is connected by means of catch-fastening steps of the apron forming a clip connection with the apron.

Lastly is known (DE 197 35 264 A1) a device for sealing a transition of a jacket surface of a pipe with a sealing film, preferably a roof underlay membrane, disposed in the plane of the roof, in which an emplaceable holding part is provided encompassing the pipe and an upwardly directed film collar assigned to a hole of the sealing film. The film collar is realized as an annulus, widening the hole margin region of the sealing film from the inside.

The problem addressed by the invention is providing a through-passage roofing tile which is simple to mount and which ensures the water- and draft-tight connection of the underlay membrane.

This problem is resolved according to the features of patent claim 1.

The invention consequently relates to a through-passage roofing tile with at least one lower part including an inlet opening as well as a sealing face. Beneath the lower part is disposed a connection part which also includes a sealing face disposed beneath the sealing face of the lower part wherein the two sealing faces are opposite one another. Lower part and connection part are connected with one another using means for fixing. Between the two sealing faces is at least partially disposed an underlay membrane.

Installation and technical advantages of the through-passage roofing tile will be briefly explained in the following. During the installation of the through-passage roofing tile into a thermally insulated roof one through-passage hole must be produced in the thermal insulation layer and the superjacent underlay membrane. The two through-passage holes are aligned flush, however, the through-passage hole in the underlay membrane can be smaller than the through-passage hole in the thermal insulation layer. When the connection part is placed from the roof interior through the thermal insulation layer and the underlay membrane, the underlay membrane comes to lie in contact on the sealing face of the connection part. Since the connection part projects from the thermal insulation layer, the underlay membrane in the proximity of the through-passage hole of the thermal insulation layer is lifted from the thermal insulation layer. When the connection part is connected with the lower part of the through-passage roofing tile, the underlay membrane is pressed against the sealing face of the lower part and clamped in between the sealing faces of the connection part and the lower part. In this manner a permanent connection of the underlay membrane to the through-passage roofing tile is attained, which, moreover, is water- and draft-tight. High clamping force and especially simple and fast mounting are achieved if the connection part and the lower part are connected by means of a snap connection or a bayonet latch. In this case it suffices if by executing a simple pressure or screw movement into the lower part of the through-passage roofing tile.

After connecting lower part and connection part, the through-passage roofing tile can be laid like any conventional roofing tile, e.g. it is suspended with the hook-in nose located at the head-side margin on the roof batten and stayed with its foot-side margin on a roofing tile adjacent in the eaves direction. Therefore, in the laid through-passage roofing tile the connection site between lower part and connection part or the plane of the sealing faces is located above the thermal insulation layer and therewith above the plane of the underlay membrane. The underlay membrane connected to the through-passage roofing tile therefore is inclined with respect to the plane of the underlay membrane such that potential condensation or rain water is kept away from the connection site of underlay membrane and through-passage roofing tile.

Embodiment examples are depicted in the Figures and will be explained in further detail in the following. In the drawing depict:

FIG. 1 a perspective view of a through-passage roofing tile implemented as a vent;

FIG. 2 an exploded depiction of the through-passage roofing tile according to FIG. 1;

FIG. 3 an exploded depiction of the through-passage roofing tile according to FIG. 1 in a further view;

FIG. 4 a detail view of the through-passage roofing tile according to FIG. 2 with lower part, sealing element, connection part and conduction body;

FIG. 5 a perspective view of the top side of a cutaway of a roof with a through-passage roofing tile according to FIG. 1;

FIG. 6 a perspective view of the underside of the cutaway of the roof according to FIG. 5;

FIG. 7 a cross-section A-A through the cutaway of the roof shown in FIG. 5;

FIG. 8 a detail view of a portion of the configuration depicted in FIG. 7;

FIG. 9 a first variant of the through-passage roofing tile depicted in FIG. 1;

FIG. 10 a second variant of the through-passage roofing tile depicted in FIG. 1;

FIG. 11 a further variant of a through-passage roofing tile.

FIG. 1 shows a perspective view of the top side of a through-passage roofing tile 1 realized as a vent. The through-passage roofing tile 1 includes an upper part 2 in the form of a conventional roofing tile. The upper part 2 therefore has a cover fold 8, a central brim 9 as well as a water fold 10. Between the water fold 10 and the brim 9 as well as between the brim 9 and the cover fold 8 is disposed one water course 11, 12 each. The upper part 2 can herein be realized as a concrete tile or a clay tile.

However, in contrast to a conventional roofing tile, the upper part 2 has an outlet opening in the center. In the outlet opening of the upper part 2 a function element, namely a venting grating 3, is located such that the outlet opening of the upper part 2 is not visible in FIG. 1. The venting grating 3 is herein adapted to the contour of the upper part 2. The venting grating 3 is preferably connected with the upper part 2 and the lower part 4 via snap-in nubs. However, such snap-in nubs are not visible in FIG. 1. The venting grating 3 can additionally be adhered to the upper part 2. Although the outlet opening must not necessarily be located centrally, it is advantageous for the stability of the upper part 2 if this outlet opening is located in the center of the through-passage roofing tile.

Beneath the upper part 2 is disposed a box-shaped lower part 4, of which, however, only two extension sections 5 and 6 are visible. In the proximity of the ends of the two extension sections 5 and 6 discharge openings 41, 42 can be seen such that water penetrating via the outlet opening can discharge from the through-passage roofing tile 1. As shown in FIG. 1, these discharge openings 41, 42 can be closed by a grating. Instead of two discharge openings, several or even only one discharge opening can also be provided. Beneath this lower part 4 is disposed a connection part 7 connected with the lower part 4. To the connection part 7 can be connected an exhaust air duct. However, this is not shown in FIG. 1.

FIG. 2 is an exploded depiction of the through-passage roofing tile 1 according to FIG. 1. As is evident in FIG. 2, the upper part 2 includes an outlet opening 13 into which the venting grating 3 can be inserted. Beneath the upper part 2 the box-shaped lower part 4 is visible, which includes an inlet opening 14 located substantially beneath the outlet opening 13 of the upper part 2. The two extension sections 5 and 6 are connected with one another via a bridge element 15, substantially adapted to the shape of the brim 9 of the upper part 2. Between the upper part 2 and the lower part 4 a conduction body 16 is evident which shields the inlet opening 14 against water penetrating through the outlet opening 13. The conduction body 16 is realized as a portion of the upper part 2. When the through-passage roofing tile 1 is assembled at the factory the upper part 2 and the lower part 4 can be adhered with one another or be welded or snapped together.

Visible is also a sealing element 17 as well as the tubular connection part 7. The connection part 7 is attached directly beneath the inlet opening 14 of lower part 4, wherein between the connection part 7 and the lower part 4 the sealing element 17 is placed. The sealing element 17 is adapted to the cross-section form of the connection part 7 such that the sealing element 17 in FIG. 2 is annularly realized.

The connection part 7 can be placed into the inlet opening 14 of the lower part 4. Herein the connection part 7 can be firmly connected with the lower part 4 by means of a snap connection. In FIG. 2 only the snap-in elements 18 to 21 of the snap connection are visible, which are disposed on the upper segment of connection part 7. These snap-in elements 18 to 21 can be, for example, snap-in hooks. By means of these snap-in elements 18 to 21 the connection part 7 can be firmly connected with the lower part 4. On the connection part 7 further a collar 57 is provided which is disposed beneath the snap-in elements 18 to 21. The collar 57 is provided with a sealing face 22, onto which the sealing element 17 can be placed. To achieve better fixing of the sealing element 17, the sealing face 22 can include a sunken receptacle for a sealing element, into which the sealing element 17 can be introduced. Such a receptacle for a sealing element, however, is not shown in FIG. 2.

Evident is also the lower wall 94 of lower part 4, which is at least partially realized as an inclination starting from the inlet opening 14 and extending toward the foot-side wall of lower part 4. Due to the slope of the roof, this inclination in the installed through-passage roofing tile subsequently acts as a [negative] gradient which allows penetrated water to flow off via the extension sections 5, 6 and the discharge openings 41, 42.

FIG. 3 also shows an exploded depiction of the through-passage roofing tile 1 shown in FIG. 1. However, the line of sight is here not directed onto the top side but rather onto the underside of the through-passage roofing tile 1. The venting grating 3 comprises a side frame 23 resting on the top side of the upper part 2 when the venting grating 3 is set into the outlet opening 13 of the upper part 2. On the underside 24 of the upper part 2 guides 25 and 26 are disposed on one side, which guides are formed by walls 27 and 28, and 29 and 39, respectively. Into these guides 25 and 26 can be slid the extension sections 5 and 6 of the lower part 4 and fixed therein. The lower part 4 with its underside 46 can be firmly connected with the upper part 2 or the venting grating 3, for example through adhesion or by means of snap-ins in the proximity of the guides 25, 26 and of the bridge element 15. Between the upper part 2 and the lower part 4 the conduction body 16 is visible, which is at least partially disposed above the inlet opening 14 of the lower part 4. The conduction body 16 shields in this way the inlet opening 14 of the lower part 4 against water which potentially penetrates through the outlet opening 13 into the through-passage roofing tile 1. On the underside 46 of the lower part 4 a sealing face 31 surrounding the inlet opening 14 is evident. After the through-passage roofing tile 1 is assembled, the sealing face 31 of the lower part 4 cooperates with the sealing face 22 of the collar 57 of connection part 7. The connection part 7 includes snap-in elements disposed above the collar 57, of which, however, only the snap-in elements 20, 21 are visible. In FIG. 3, further, is depicted an insulation annulus 32 which can be slid onto the connection part 7 and which is comprised of a thermally insulating material.

FIG. 4 depicts a detail view of the through-passage roofing tile 1 according to FIG. 2 with only the lower part 4, the sealing element 17, the connection part 7 and the conduction body 16 being shown. The conduction body 16 is located above the inlet opening 14 of the lower part 4 such that the conduction body 16 partially covers the inlet opening 14 whereby only a lateral aperture 45 remains. The conduction body 16 in this manner prevents rain water from penetrating into the connection part 7. In addition to the annular sealing element 17, the connection part 7 can also be seen. At the upper end of the connection part 7 are disposed two snap-in elements 20, 21. The snap-in elements 20, 21 are implemented as snap hooks. However, due to the perspective depiction, they are not entirely visible in FIG. 4. In FIG. 4, further, the collar 57 of the connection part 7 can be seen on which the sealing face 22 is disposed. The collar 57 comprising the sealing face 22 is braced via several strut members on connection part 7, of which, however, only the strut members 47 and 48 are visible.

In the proximity of the inlet opening 14 the lower part 4 includes on the underside 46 the sealing face 31 onto which the connection part 7 can be pressed with its sealing face 22. The lower part 4 includes an inwardly located, encircling band 54 projecting into the inlet opening 14, into which band the snap-in elements 20, 21 can snap when the connection part 7 is inserted into the lower part 4.

In FIG. 5 is shown a perspective view of a cutaway of a roof 35 with a through-passage roofing tile 1 according to FIG. 1. As can be seen in FIG. 5, through the shape of the upper part 2 the through-passage roofing tile 1 blends harmoniously into the roof 35. In the proximity of its head-side margin, the through-passage roofing tile 1 rests on a roof batten 36 of a roof substructure 40. In the proximity of the foot-side margin the through-passage roofing tile 1 rests on a roofing tile 37, which, in turn, is suspended at a roof batten 38. The though-passage roofing tile 1 is partially covered in the proximity of its head-side margin by a further roofing tile 39. The venting grating 3 is located in the outlet opening of the upper part 2, wherein the venting grating 3 rests on the through-passage roofing tile 1 with its side margin 23. The outlet opening of the upper part 2 is therefore not visible. Beneath the two water courses 11, 12 can be seen the ends of the two extension sections 5 and 6 of the lower part 4 as well as the discharge openings 41, 42 serving for the drainage of the through-passage roofing tile 1.

In addition to the roof battens 36, 38 mounted on roof rafters, the roof substructure 40 comprises—as shown in FIG. 5—a thermal insulation layer 43 located between the roof rafters. The thermal insulation layer can alternatively also be implemented as an above-rafter insulation. Between the thermal insulation layer 43 and the roof battens 36, 38 the roof substructure 40 comprises an underlay membrane 44. The underlay membrane 44 is located in a plane 53 and overall on the top side of the thermal insulation layer 43.

FIG. 6 depicts a perspective view of the underside of the cutaway of roof 35 according to FIG. 5. Seen can be the roof substructure 40 with the two roof battens 36 and 38, the roofing tiles 37 and 39 as well as the through-passage roofing tile 1. Evident is also a portion of the underlay membrane 44, which is located between the roof battens 36, 38 and the thermal insulation layer 43. From the thermal insulation layer 43 projects the lower end of the tubular connection part 7. Evident is also the insulation annulus 32 slid onto the connection part 7, which annulus closes off the through-passage hole 49 produced in the thermal insulation layer 43 during mounting.

FIG. 7 shows a cross-section A-A through the cutaway of the roof 35 shown in FIG. 5. On the roof substructure 40 are located the through-passage roofing tile 1 and the roofing tiles 37, 39. The hook-in nose 59 of the upper part 2 realized as concrete roof tile or clay roof tile and the hook-in nose 60 of the roofing tile 37 can also be seen. With these hook-in noses 59, 60 the through-passage roofing tile 1 and the roofing tile 37 are retained on the roof battens 36 and 38, respectively. In the outlet opening 13 of the upper part 2 is located the venting grating 3 which rests with its side frame 23 at least partially on the top side of upper part 2. Beneath venting grating 3 can be seen the conduction body 16 which covers the inlet opening 14 of the connection part 7 such that only the lateral aperture 45 for the air guidance remains. The conduction body 16 is structured areally and, through its disposition in the lower part 4, can drain water toward the eaves that has penetrated through the venting grating 3 into the through-passage roofing tile. The water is conducted from the conduction body 16 into the box-shaped lower part 4 from where it flows off via the lower wall 94 and the extension sections as well as the discharge openings. However, since cross-section A-A extends in the region of the central brim, the extension sections and the discharge openings are not visible in FIG. 7.

The underlay membrane 44 normally rests in the plane 53 on the top side of the thermal insulation layer 43. Only in the proximity of the connection part 7 does the underlay membrane 44 no longer rest directly on the thermal insulation layer 43 since the sealing face 22 of connection part 7 is located above the thermal insulation layer 43 and the underlay membrane 44 is disposed on this sealing face 22.

The sealing faces 22, 31 are located in a plane 50. By this plane 50 is simultaneously indicated the location of the underlay membrane 44 adjoining the through-passage roofing tile 1 when it is clamped between the sealing faces 22, 31 of connection part 7 and lower part 2.

Beneath the underlay membrane 44 the sealing element 17 is evident. This sealing element 17 lies in the receptacle 51 disposed in the collar 57 or in the sealing face 22 of the connection part 7. Beneath the sealing face 22 of connection part 7 are evident two opposingly located strut members 48, 52 bracing the collar 57. The two opposing snap-in elements 19 and 20 are also visible in FIG. 7.

As depicted in FIG. 7, the outlet opening 13 is located above the inlet opening 14, wherein the outlet opening 13 is at least partially located in the direction toward the foot-side wall 95 of the lower part 4 offset with respect to the inlet opening 14.

The factory production and the installation of the through-passage roofing tile 1 into the roof 35 will be described in the following and with reference to FIG. 7.

Apart from corrosion-free sheet metal, as material for the production of the through-passage roofing tile 1 to consider is, in particular, synthetic material since in this case the individual components can be fabricated cost-effectively using injection molding. Since the through-passage roofing tiles 1 are not to differ optically from the adjacent roofing tiles 37, 39, the upper part 2 of the through-passage roofing tile 1 can be produced from a conventional concrete roof tile or clay roof tile into which the outlet opening 13 is cut. This can take place, for example, using a high-pressure water jet. The components of the through-passage roofing tile 1 are assembled at the factory thereby that first the venting grating 3 is set into the outlet opening 13. Subsequently the lower part 4 is disposed beneath the upper part 2 with the conduction body 16 already disposed within the lower part 4. The connection of lower part 4 and upper part 2 takes place by means of an adhesive agent or by means of snap-in connection. Next, the connection part 7 of the through-passage roofing tile 1 is prepared at the factory. For this purpose into its receptacle 51 is placed the sealing element 17 and the insulation annulus 32 is slid onto the connection part 7 such that it comes to lie in contact on collar 57. Therewith the factory assembly of the through-passage roofing tile 1 is concluded. It is understood that, instead of one sealing element, several sealing elements can also be inserted into the receptacle 51.

The connection of connection part 7 and lower part 4 is only carried out during the installation of the through-passage roofing tile 1 into the roof 35 and with the clamping of the underlay membrane 44 also placed there. During the installation of a through-passage roofing tile 1 in the thermal insulation layer 43 and the superjacent underlay membrane 44 a through-passage hole must be produced in each. In FIG. 7 the through-passage hole 49 of the thermal insulation layer 43 as well as the through-passage hole 34 of the underlay membrane 44 can be seen. The two through-passage holes are disposed such that they are aligned flush with respect to one another. The diameter of the through-passage hole 49 in the thermal insulation layer 43 corresponds approximately to the greatest diameter of the connection part 7 in the proximity of the collar 57. The diameter of the through-passage hole 34 in the underlay membrane 44 is smaller and corresponds approximately to the diameter of the connection part 7 in the proximity of the snap-in elements 19, 20. When the connection part 7 is inserted into the through-passage hole 49 of the thermal insulation layer 43, the underlay membrane 44 first comes to lie on the sealing face 22 of the connection part 7. When subsequently the connection part 7 is connected with the lower part 4 of the through-passage roofing tile 1, the underlay membrane 44 is pressed onto the sealing face 31 of the lower part 4 and clamped in between connection part 7 and lower part 4. In this way a water- and draft-tight connection of the underlay membrane 44 with the through-passage roofing tile 1 is achieved. Thereby high clamping force and an especially simple and fast mounting result since the connection part 7 and the lower part 4 are connected with one another by means of a snap-in connection. By means of a simple pressure movement the connection part 7 is inserted into the inlet opening 14 of the lower part 4 wherein the snap-in elements 19, 20 of connection part 7 provided with the grooves snap into the encircling band 54 of the lower part 4.

After the lower part 4 and the connection part 7 are connected, the through-passage roofing tile 1 can be laid like any other conventional roofing tile, e.g. with its hook-in nose 59 at its head-side margin suspended on the roof batten 36 and with its foot-side margin placed onto the roofing tile 37 adjacent in the direction toward the eaves. When laid, the connection in the through-passage roofing tile 1 site is located between the lower part 4 and the connection part 7 or the plane 50 of the sealing faces 22, 31 is always located above the plane of the underlay membrane 44 such that the underlay membrane 44 connected to the through-passage roofing tile 1 forms an elevation 63 inclining toward the plane of the underlay membrane 44. The elevation 63 ensures that condensation or rain water on the underlay membrane 44 is kept away from the connection site between underlay membrane 44 and through-passage roofing tile 1.

In FIG. 8 is shown a detail view of a cutaway of the configuration shown in FIG. 7. FIG. 8 explains again the connection of the underlay membrane 44 to the lower part 4 of through-passage roofing tile 1. Evident is a portion of the lower part 4 of the through-passage roofing tile 1, on whose sealing face 31 the sealing face 22 of the connection part 7 is in contact. The sealing face 22 has an encircling annular receptacle 51 worked into the collar 57, into which receptacle the annular sealing element 17 is set. Between the sealing face 22 of the connection part 7 and the sealing face 31 of the lower part 4 is clamped the underlay membrane 44. The underlay membrane 44 in this region is located in a plane 50 which is above a plane 53 in which the underlay membrane 44 is disposed when it is in contact overall on the thermal insulation layer 43. In the proximity of the clamping site the underlay membrane 44 forms thereby a wall-like elevation 63 which keeps condensation or rain water away from the connection site between lower part 4 and connection part 7.

The underlay membrane 44 includes a through-passage hole 34 through which the connection part 7 is guided. The underlay membrane 44 is therein disposed on the sealing face 22 located on the collar 57 of the connection part 7. The snap-in elements 19, 20 include each a groove 55 into which engages the encircling band 54 of the lower part 4 projecting into the inlet opening 14. With the snapping-in the connection part 7 is firmly connected with the lower part 4, and the underlay membrane 44 is clamped between the sealing faces 22, 31. The lower part 4 includes on the underside of the sealing face 31 a press-on element 56 tapering to a point, which is implemented as a ring and has a triangular cross-section. The press-on element 56 can, however, also be disposed on the top side of sealing face 22. This variant, however, is not shown in FIG. 8. With the tapering press-on element 56 the underlay membrane 44 is pressed in this region in the direction of the sealing element 17 located in the receptacle 51. This press-on element 56 consequently serves for fixing additionally the underlay membrane 44 between the sealing face 22 of connection part 7 and the sealing face 31 of the lower part 4. The manner in which the insulation annulus 32 encompassing the connection part 7 closes off the through-passage hole 49 in the thermal insulation layer 43 can also be seen.

The through-passage roofing tile 1 described in FIGS. 1 to 8 is realized as a vent thereby that as a function element a venting grating 3 is set into the outlet opening 13. While the embodiment examples of FIGS. 9 to 11 utilize the previously explained principle of the connection of the underlay membrane 44 to the through-passage roofing tile 1, however, they differ with respect to the function elements. The description of FIGS. 9 to 11 will therefore mainly deal with the different function elements.

FIG. 9 shows a cross-section A-A through a variant of the cutaway of roof 35 shown in FIG. 5. The through-passage roofing tile 1 depicted in FIG. 9 is intended for use in the installation of photovoltaic modules or thermal energy collectors. As a function element is provided a cover hood 58 which is open at its underside facing the outlet opening 13. The cover hood 58 is partially set into the outlet opening 13 of upper part 2 and comprises a side frame 65 placed onto the upper part 2. The set-in cover hood 58 shields the outlet opening 13 such that it is rain water-proof and includes a through-passage opening 62 facing the foot-side margin of the through-passage roofing tile 1. Through the through-passage opening 62 of the cover hood 58 a line 61 is guided which is carried into the interior of the building via the connection part 7. This line 61 can be, for example, a power or water line. To prevent water or drifting snow to penetrate into the roof 35, in the through-passage opening 62 of cover hood 58 at least one sealing element 64 is provided which encompasses the line 61.

In FIG. 10 is shown a cross-section A-A through a variant of the cutaway of roof 35 shown in FIG. 5. In the through-passage roofing tile 1 depicted in FIG. 10 a three-part outlet vent pipe fixture 66 is provided. The outlet vent pipe fixture 66 has an upwardly open cupola-like dome 67 and a hood part 68 coupled therewith, through which penetrates an outlet vent pipe 69. The dome 67 is equipped with a side frame 71 and set into the outlet opening 13. The outlet vent pipe 69 is movable via the hood part 68 in the direction of double arrow 70 such that the orientation of the outlet vent pipe 69 can be adapted to the slope of the roof. This swivellable outlet vent pipe 69 is preferably oriented vertically as is also shown in FIG. 10.

FIG. 11 shows a further variant of a through-passage roofing tile 72 which is realized for the through-guidance of an antenna mast. The through-passage roofing tile 72 includes an upper part 73 and a lower part 74. This upper part 73 has substantially the form of a roofing tile, which also includes an outlet opening 84. Into the outlet opening 84 is introduced a function element which is realized as an antenna fixture 75. The antenna fixture 75 is also guided through an inlet opening 97 of the lower part. The antenna fixture 75 includes an upwardly open dome 76 which, again, is coupled with a hood part 77 such that it is swivellable. The hood part 77 comprises a guide tube 78 which is closed at its upper end by an elastic sealing collar 79. By swivelling the hood part 77 in the direction of the double arrow 80 the position of the guide tube 78 can be adapted to the slope of the roof. As depicted in FIG. 11, the guide tube 78 is oriented vertically. Through the interior 81 of the guide tube 78 and through the sealing collar 79 can be guided an antenna mast 96. The dome 76 of the antenna fixture 75 includes in its lower section a substantially circular section 82 which is set into a groove 83 of the upper part 73. The lower part 74 includes at its underside a first sealing face 85 which is disposed opposite a second sealing face 86 of a connection part 87. Between the sealing faces 86, 85 is clamped an underlay membrane 88. Also evident is a sealing element 89 disposed in a receptacle 90. This receptacle 90 for the sealing element 89 is located in the lower part 74. Between the two margin sections 91 and 92 of connection part 87 can, as shown in FIG. 11, a sealing membrane 93 be applied. This sealing membrane 93 prevents water from penetrating into the interior of the roof. It is obvious to a person of skill in the art that—even though not evident in FIG. 11—the lower part 74 can be connected with the connection part 87 via means for fixing, such as for example an adhesive, a bayonet latch or snap-in elements.

Although the embodiment examples of the invention have been described in detail above, the invention is not limited to these embodiment examples. A person of skill in the art understands that the invention also encompasses several different variants with which the same result is achieved as with the embodiment examples described here. It is therefore obvious to the person of skill in the art that with the embodiment examples described here the protective scope of the claims is not limited and that there are further variants, modifications and alternatives which fall within the protective scope of the claims.

REFERENCE NUMBERS

-   1 Through-passage roofing tile -   2 Upper part -   3 Venting grating (function element) -   4 Lower part -   5 Extension section -   6 Extension section -   7 Connection part -   8 Cover fold -   9 Central brim -   10 Water fold -   11 Water course -   12 Water course -   13 Outlet opening -   14 Inlet opening -   15 Bridge element -   16 Conduction body -   17 Sealing element -   18 Snap-in element -   19 Snap-in element -   20 Snap-in element -   21 Snap-in element -   22 Sealing face of connection part 7 -   23 Side frame -   24 Underside of upper part 2 -   25 Guide -   26 Guide -   27 Wall -   28 Wall -   29 Wall -   30 Wall -   31 Sealing face of lower part 4 -   32 Insulation annulus -   33 -   34 Through-passage hole of underlay membrane 44 -   35 Roof -   36 Roof batten -   37 Roofing tile -   38 Roof batten -   39 Roofing tile -   40 Roof substructure -   41 Discharge opening -   42 Discharge opening -   43 Thermal insulation layer -   44 Underlay membrane -   45 Aperture -   46 Underside of lower part 4 -   47 Strut member -   48 Strut member -   49 Through-passage hole of thermal insulation layer 43 -   50 Plane of sealing faces 22, 31 -   51 Receptacle for sealing element 17 -   52 Strut member -   53 Plane of underlay membrane -   54 Band -   55 Groove of snap-in elements 19, 20 -   56 Press-on element -   57 Collar -   58 Cover hood (function element) -   59 Hook-in nose of through-passage roofing tile -   60 Hook-in nose of through-passage roofing tile -   61 Line -   62 Through-passage opening of cover hood 58 -   63 Elevation of underlay membrane 44 -   64 Sealing element -   65 Side frame of cover hood 58 -   66 Outlet vent pipe fixture (function element) -   67 Dome of outlet vent pipe fixture 66 -   68 Hood part of outlet vent pipe fixture 66 -   69 Outlet vent pipe of outlet vent pipe fixture 66 -   70 Double arrow -   71 Side frame of dome 67 -   72 Through-passage roofing tile -   73 Upper part -   74 Lower part -   75 Antenna fixture (function element) -   76 Dome of antenna fixture 75 -   77 Hood part of antenna fixture 75 -   78 Guide tube of antenna fixture 75 -   79 Sealing collar -   80 Double arrow -   81 Interior of guide tube 78 -   82 Circular section -   83 Groove of upper part 73 -   84 Outlet opening -   85 Sealing face of lower part 74 -   86 Sealing face of connection part 87 -   87 Connection part -   88 Underlay membrane -   89 Sealing element -   90 Receptacle for sealing element -   91 Margin section -   92 Margin section -   93 Sealing membrane -   94 Lower wall -   95 Foot-side wall -   96 Antenna mast -   97 Inlet opening 

1. Through-passage roofing tile for venting or guiding through lines and the like, comprising a) an upper part in the form of a conventional roofing tile with an outlet opening b) a lower part with an inlet opening located beneath the outlet opening of the upper part, c) a connection part located beneath the lower part, characterized in that the lower part and the connection part are provided with opposing sealing faces, between which an underlay membrane can be clamped, and that the connection part and the lower part can be connected with one another by means of means for fixing.
 2. Through-passage roofing tile as in claim 1, characterized in that the underlay membrane is provided with a through-passage hole and with the margin of its through-passage hole is at least partially disposed between the two sealing faces.
 3. Through-passage roofing tile as in claim 1, characterized in that means for fixing are snap-in connections or bayonet latches.
 4. Through-passage roofing tile as in claim 1, characterized in that the means for fixing is an adhesive agent.
 5. Through-passage roofing tile as in claim 1, characterized in that between the sealing faces at least one sealing element is provided.
 6. Through-passage roofing tile as in claim 5, characterized in that one of the two sealing faces includes an encircling receptacle for the at least one sealing element.
 7. Through-passage roofing tile as in claim 6, characterized in that a press-on element opposing the receptacle for the sealing element is provided.
 8. Through-passage roofing tile as in claim 7, characterized in that a press-on element has a triangular cross-section.
 9. Through-passage roofing tile as in claim 81, characterized in that the lower part is realized in the form of a box.
 10. Through-passage roofing tile as in claim 9, characterized in that the lower wall of the lower part is realized at least partially as an inclination starting from the inlet opening and extending toward a foot-side wall of the lower part lower part.
 11. Through-passage roofing tile as in claim 10, characterized in that the foot-side wall of the lower part includes two discharge openings.
 12. Through-passage roofing tile as in claim 1, characterized in that the upper part is realized as a concrete roof tile or as a clay roof tile.
 13. Through-passage roofing tile as in claim 1 or 12, characterized in that the upper part includes at least one outlet opening disposed in the center of the upper part and disposed substantially above the inlet opening of the lower part.
 14. Through-passage roofing tile as in claim 1 or 13, characterized in that in the outlet opening of the upper part a function element is disposed.
 15. Through-passage roofing tile as in claim 14, characterized in that the function element is a venting grating, an outlet vent pipe fixture, an antenna fixture or a cover hood-.
 16. Through-passage roofing tile as in claim 13, characterized in that the outlet opening of the upper part is disposed at least partially offset with respect to the inlet opening toward the direction of a foot-side wall of the lower part.
 17. Through-passage roofing tile as in claim 13, characterized in that a conduction body is provided disposed above the inlet opening and at least partially covering it.
 18. Through-passage roofing tile as in claim 15, characterized in that the cover hood serves for the through-guidance of water or power lines.
 19. Through-passage roofing tile as in claim 18, characterized in that a through-passage opening of the cover hood a sealing element is disposed encompassing the water or power lines.
 20. Through-passage roofing tile as in claim 15, characterized in that the function element includes a dome on which is disposed a hood part comprising a fixture the fixture being swivellably supported within the dome.
 21. (canceled) 